Finding the Fourth Proportional to 72,565.45, 108,827.43 and 28,182.70

Step by Step Solution

1. Step 1: Write the proportion equation
   72,565.45 : 108,827.43 = 28,182.70 : x
2. Step 2: Convert to fraction form
   72,565.45/108,827.43 = 28,182.70/x
3. Step 3: Cross multiply
   72,565.45x = 108,827.43 × 28,182.70
4. Step 4: Simplify right side
   72,565.45x = 3,067,050,811.46
5. Step 5: Solve for x
   x = 3,067,050,811.46/72,565.45
6. Step 6: Final answer
   x = 42,265.99